<template>
    <div>
        <div class="crumbs">
            <el-breadcrumb separator="/">
                <el-breadcrumb-item>
                    <i class="el-icon-lx-cascades"></i> 班课信息
                </el-breadcrumb-item>
            </el-breadcrumb>
        </div>
        
        <div class="container">
            <div class="handle-box">
                <el-button 
                type="info" 
                icon="el-icon-plus" 
                class="handle-add mr10" 
                @click="handleAddclock">新增班课</el-button>

                <!-- <el-select v-model="query.major" placeholder="查找类别" class="handle-select mr10">
                    <el-option key="1" label="院校" value="院校"></el-option>
                    <el-option key="2" label="ID" value="ID"></el-option>
                    <el-option key="3" label="班课名" value="班课名"></el-option>
                </el-select> -->
                <el-input v-model="query.uName" placeholder="请输入完整班课名" class="handle-input mr10"></el-input>
                <el-button type="primary" icon="el-icon-search" @click="handleSearch">搜索</el-button>
                <el-button type="primary" icon="el-icon-setting" @click="getData()">重置</el-button>
            </div>

            <el-table
                :data="tableData"
                border
                class="table"
                ref="multipleTable"
                header-cell-class-name="table-header"
                @selection-change="handleSelectionChange"
            >
                <el-table-column type="selection" width="55" align="center"></el-table-column>
                <el-table-column prop="cNumber" label="班课ID" width="100" align="center"></el-table-column>
                <el-table-column prop="cName" align="center" label="班课名"></el-table-column>

                <el-table-column width="55" align="center" label="学分">
                    <template slot-scope="scope">{{scope.row.credit}}</template>
                </el-table-column>
                
                <el-table-column prop="date" width="55" align="center" label="学时"></el-table-column>
                <el-table-column prop="peName" align="center" label="所属教师"></el-table-column>
                
                <el-table-column prop="description" label="备注" align="center"></el-table-column>

                <el-table-column label="操作" width="180" align="center">
                    <template slot-scope="scope">
                        <el-button
                            type="text"
                            icon="el-icon-edit"
                            @click="handleEdit(scope.$index, scope.row)"
                        >编辑</el-button>
                        <el-button
                            type="text"
                            icon="el-icon-delete"
                            class="red"
                            @click="handleDelete(scope.$index, scope.row)"
                        >删除</el-button>
                    </template>
                </el-table-column>
            </el-table>

            <div class="pagination">
                <el-pagination
                    background
                    layout="total, prev, pager, next"
                    :current-page="query.pageIndex"
                    :page-size="query.pageSize"
                    :total="pageTotal"
                    @current-change="handlePageChange"
                ></el-pagination>
            </div>

        </div>

        <!-- 编辑弹出框 -->
        <el-dialog  id="limit" title="编辑" :visible.sync="editVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                
                <el-form-item label="班课名">
                    <el-input v-model="form.cName"></el-input>
                </el-form-item>
                <el-form-item label="学时">
                    <el-input v-model="form.date"></el-input>
                </el-form-item>
                <el-form-item label="学分">
                    <el-input v-model="form.credit"></el-input>
                </el-form-item>
                <el-form-item label="备注">
                    <el-input v-model="form.description"></el-input>
                </el-form-item>

            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveEdit">确 定</el-button>
            </span>
        </el-dialog>
        
        <!-- 新增弹出框 -->
        <el-dialog title="新增班课" :visible.sync="addVisible" width="30%">
            <el-form ref="form" :model="form" label-width="70px">
                    <el-form-item label="班课名">
                        <el-input v-model="formadd.cName"></el-input>
                    </el-form-item>

                    <el-form-item label="班课ID">
                        <el-input v-model="formadd.cNumber"></el-input>
                    </el-form-item>

                    <el-form-item label="学分">
                        <el-input v-model="formadd.credit"></el-input>
                    </el-form-item>

                    <el-form-item label="学时">
                        <el-input v-model="formadd.date"></el-input>
                    </el-form-item>

                    <el-form-item label="备注">
                        <el-input type="textarea" rows="5" v-model="formadd.description"></el-input>
                    </el-form-item>
                    
               
            </el-form>
            
            <span slot="footer" class="dialog-footer">
                <el-button @click="addVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveAdd(tableData)">确 定</el-button>
            </span>
        </el-dialog>

    </div>
</template>

<script>
import { fetchCourseData, ModifyCourseData, AddCourseData, SearchCourseData, DelCourseData } from '../../../core/index_course';
import { fetchPersonData, fetchCoursePData } from '../../../core/index_course';
export default {
    name: 'userfrom',
    data() {
        return {
            query: {
                cName:""
            },
            temp:{
            },
            tempsa:{
                uId:38,
            },
            temps:[],
            tableData: [],
            tableData2: [],
            tableData3: [],
            multipleSelection: [],
            delList: [],
            addVisible: false,
            editVisible: false,
            pageTotal: 0,
            form: {},
            formadd:{
                peId:'ms_userpeid'
            },
            idx: -1,
            id: -1
        }
    },
    computed: {
        Cteacher(){
            
        }
    },
    created() {
        this.getData();
    },
    methods: {
        // 获取 easy-mock 的模拟数据
        getData() {
            fetchCourseData(this.query).then(res => {
                this.tableData = res;
                this.pageTotal = this.tableData.length;
                console.log(res);               
            });
            this.query.cName = "";
            
        },
        handleAddclock(){
            this.$message.error('该功能请使用教师身份执行！');
        },
        // 触发搜索按钮
        handleSearch() {
            const testN =this.query.cName;
            this.tableData = this.tableData.filter(function(item){
                return item.cName === testN;
            })
        },
        // 删除操作
        handleDelete(index, row) {
            // 二次确认删除
            this.$confirm('确定要删除吗？', '提示', {
                type: 'warning'
            })
                .then(() => {
                    if(this.tableData.length > 1){
                        delete row.peId;
                        this.temp = row;
                        console.log(this.temp);
                        DelCourseData(this.temp).then(res => {
                            if(res == 1){
                                this.$message.success('删除成功');
                                this.tableData.splice(index, 1);
                            }else{
                                this.$message.error('删除失败，请通知管理员！');
                            }
                            
                        })
                    }else{
                        this.$message.error('数据库内至少需要保留一条信息！');
                    }
                   
                })
                .catch(() => {});
        },
        // 多选操作
        handleSelectionChange(val) {
            this.multipleSelection = val;
        },
        delAllSelection() {
            const length = this.multipleSelection.length;
            let str = '';
            this.delList = this.delList.concat(this.multipleSelection);
            for (let i = 0; i < length; i++) {
                str += this.multipleSelection[i].uName + ' ';
            }
            this.$message.error(`删除了${str}`);
            this.multipleSelection = [];
        },
        // 新增用户
        handleAdd() {
            this.addVisible = true;
        },

        //新增操作
        saveAdd(tableData,event) {
            this.addVisible = false;
            this.$message.success(`新增成功`);
            this.formadd.term = "2020-12";
            this.formadd.peId = localStorage.getItem('ms_userpeid');
            this.formadd.dailyWeight = 0.5;
            this.formadd.finalWeight = 0.5;
            AddCourseData(this.formadd);
            this.formadd.peName = localStorage.getItem('ms_username');
            console.log(this.formadd);
            this.tableData.push(this.formadd);
        },
        // 编辑操作
        handleEdit(index, row) {
            this.idx = index;
            this.form = row;
            this.editVisible = true;
        },
        // 保存编辑
        saveEdit() {
            this.editVisible = false;
            this.$message.success(`修改第 ${this.idx + 1} 行成功`);
            this.temp = this.form;
            ModifyCourseData(this.temp);
        },
        // 分页导航
        handlePageChange(val) {
            this.$set(this.query, 'pageIndex', val);
            this.getData();
        }
    }
};
</script>

<style scoped>
.handle-box {
    margin-bottom: 20px;
}

.handle-select {
    width: 120px;
}

.handle-input {
    width: 300px;
    display: inline-block;
}
.table {
    width: 100%;
    font-size: 14px;
}
.red {
    color: #ff0000;
}
.mr10 {
    margin-right: 10px;
}
.table-td-thumb {
    display: block;
    margin: auto;
    width: 40px;
    height: 40px;
}

#limit{
    min-width:1000px;
}
</style>
